Answer:

Step-by-step explanation:

____

<h3>____</h3>

Answer:122
Step-by-step explanation:
Answer:
-16x+4
Step-by-step explanation:
-6x+2/3(9-15x)-2
Distribute
-6x +2/3 *9 +2/3*(-15x) -2
-6x +6 -10x -2
Combine like terms
-6x-10x +6-2
-16x+4
It's a hexagon.
The formula of the sum of internal angles in the polygon:

Therefore
